SOLUTION: please help me answer the following problem:
the length of a rectangle is 5cm greater than 3 times its width. the area of the rectangle is 22cm^2. find the length and the width
Algebra.Com
Question 611354: please help me answer the following problem:
the length of a rectangle is 5cm greater than 3 times its width. the area of the rectangle is 22cm^2. find the length and the width of the rectangle.
thanks so much i don't know how o set it up and the steps for doing it!!!! thanks!!!
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the length in cm
Let = the width in cm
Let = the area of the rectangle in cm2
-----------
given:
cm2
--------------------
Use the quadratic formula
( ignore the negative root- can't have negative length )
and, since
The length is 11 cm and the width is 2 cm
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